Various studies have shown that registered crime among non-western immigrant groups in the Netherlands is higher than among the average Dutch population. Little is known however concerning the differences in the nature of crime. The authors studied the degree to which various ethnic groups are represented in various types of officially registered criminal offenses and the degree to which the chance of being a suspect in specific types of crimes can be explained by demographic and socio-economic background characteristics of the person in question. The results show that there are clear differences among ethnic groups with respect to the relative share of various types of criminal offenses. Only a small part of the differences relate to ethnic origin; demographic and socio-economic background characteristics play a more important role. A large part of the explanation might be found in personal factors, coincidental circumstances or background characteristics not included in the model.